CN208333627U - A kind of fluid flowmeter on-line checking self-calibrating device - Google Patents

A kind of fluid flowmeter on-line checking self-calibrating device Download PDF

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Publication number
CN208333627U
CN208333627U CN201821067866.4U CN201821067866U CN208333627U CN 208333627 U CN208333627 U CN 208333627U CN 201821067866 U CN201821067866 U CN 201821067866U CN 208333627 U CN208333627 U CN 208333627U
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China
Prior art keywords
fluid flowmeter
stainless steel
straight tube
vision signal
line checking
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CN201821067866.4U
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Chinese (zh)
Inventor
杨思凡
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Quality Source Testing Co Ltd
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Quality Source Testing Co Ltd
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Abstract

The utility model belongs to fluid flow technical field, disclose a kind of fluid flowmeter on-line checking self-calibrating device, it is provided with stainless steel straight tube, the inside of the stainless steel straight tube is equipped with fluid flowmeter, and the left and right sides of the fluid flowmeter is fixed to being connected to throttling set;The throttling set on right side is fixed to vision signal pipeline is connected to, and difference gauge is equipped with above the vision signal pipeline, has been bolted data collector on the right side of the vision signal pipeline.Stainless steel straight tube can prevent from getting rusty, extend the service life of detection device, the two sides docking of the fluid flowmeter is fixed with throttling set, keep flow velocity more stable, it ensure that the result of correction is accurate, the data of the data collector acquisition are by ensure that calculated result is more accurate on wire transmission to computer, the utility model is easy to operate, improves the efficiency of fluid flowmeter on-line checking self-calibrating device.

Description

A kind of fluid flowmeter on-line checking self-calibrating device
Technical field
The utility model belongs to flow detection technical field more particularly to a kind of fluid flowmeter on-line checking self calibration dress It sets.
Background technique
Currently, the prior art commonly used in the trade be it is such,
Fluid flowmeter is according to the manufacture of karman vortex principle for measuring liquid, gas, steam stream in sealing pipeline The precision instrument of amount.Since detection original part is sealed in inside, and without movable member, so not needing on-site maintenance, used extensively In textile printing and dyeing, petroleum, chemical industry, metallurgical pharmacy, hot spot, pharmacy fire-fighting industry management through quantification and process control, therefore liquid The calibration of flowmeter before being put into use is extremely important.Traditional calibrating installation generally uses sensor and corresponding supplementary means Flow is directly measured, the result of measurement is easy to appear error;And flowmeter needs regular inspection, but dismantles inspection Mode influences equipment normal use, and the period is longer, influences the normal use of equipment.
In conclusion problem of the existing technology is:
(1) traditional measurement method is easy to appear error;
(2) but the mode of disassembly inspection influences equipment normal use, and the period is longer, influences the normal use of equipment.
Summary of the invention
In view of the problems of the existing technology, the utility model provides a kind of fluid flowmeter on-line checking self calibration dress It sets.
The utility model is realized in this way to be provided with stainless steel straight for the fluid flowmeter on-line checking self-calibrating device Pipe, the inside of the stainless steel straight tube are equipped with fluid flowmeter, and the left and right sides of the fluid flowmeter is fixed to being connected to throttling Device;
The throttling set on right side is fixed to vision signal pipeline is connected to, and is equipped with above the vision signal pipeline Difference gauge has been bolted data collector on the right side of the vision signal pipeline.
Stainless steel straight tube can prevent from getting rusty, and extend the service life of detection device, the two sides of the fluid flowmeter Docking is fixed with throttling set, keeps flow velocity more stable, ensure that the result of correction is accurate, the number of the data collector acquisition According to by ensure that calculated result is more accurate, the utility model is easy to operate, improves liquid on wire transmission to computer The efficiency of flowmeter body on-line checking self-calibrating device.
The data collector includes pressure sensor, flow sensor, temperature sensor on the stainless steel straight tube, The pressure sensor, flow sensor, temperature sensor pass through data line and are electrically connected with detection terminal.
It, can be to the water flow pressure inside stainless steel straight tube by installing pressure sensor, flow sensor, temperature sensor Power, water flow, water flow temperature are detected, and be will test result and be transmitted to detection terminal, are conveniently checked.
The fluid flowmeter on-line checking self-calibrating device is installed in cabinet, is equipped with damping on the inner wall of the cabinet Device.
With portable construction, maneuverability is convenient for portable and transport, devises damping device, adapts to field condition Property is strong.
The vision signal pipeline includes the acquisition camera for stainless steel straight tube measuring instrumentss, and acquisition camera passes through Data line is connected with data converter, and the signal output end of the data converter is connected with display, the display Device is fixedly mounted on the outer wall of cabinet.
It can be realized online actual flow calibration, can easily be serially connected in and be calibrated in performance loop, in the reality of fluid machinery It is calibrated under operating condition, calibration accuracy is high, avoids the disassembly of metering device;By being flowed to image acquisition and processing The continuous data of body machinery does not change any working condition of fluid machinery, does not influence the normal work of fluid machinery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of fluid flowmeter on-line checking self-calibrating device provided by the embodiment of the utility model;
Fig. 2 is difference gauge structural schematic diagram provided by the embodiment of the utility model;
In figure: 1, stainless steel straight tube;2, fluid flowmeter;3, vision signal pipeline;4, throttling set;5, data acquire Device;6, difference gauge.
Specific embodiment
For the invention, features and effects that can further appreciate that the utility model, the following examples are hereby given, and cooperates Detailed description are as follows for attached drawing.
The structure of the utility model is explained in detail with reference to the accompanying drawing.
As shown in Fig. 1 Fig. 2, which is provided with stainless steel straight tube 1, described stainless The inside of steel straight tube 1 is equipped with fluid flowmeter 2, and the left and right sides of the fluid flowmeter 2 is fixed to being connected to throttling set 4;
The throttling set 4 on right side is fixed to vision signal pipeline 3 is connected to, and the top of the vision signal pipeline 3 is pacified Equipped with difference gauge 6, the right side of the vision signal pipeline 3 has been bolted data collector 5.
Stainless steel straight tube 1 can prevent from getting rusty, and extend the service life of detection device, and the two of the fluid flowmeter 2 Side docking is fixed with throttling set 4, keeps flow velocity more stable, ensure that the result of correction is accurate, and the data collector 5 acquires Data by ensure that calculated result is more accurate on wire transmission to computer, the utility model is easy to operate, improves The efficiency of 2 on-line checking self-calibrating device of fluid flowmeter.
The data collector 5 includes pressure sensor, flow sensor, temperature sensing on stainless steel straight tube 1 Device, the pressure sensor, flow sensor, temperature sensor pass through data line and are electrically connected with detection terminal.
It, can be to the water flow pressure inside stainless steel straight tube 1 by installing pressure sensor, flow sensor, temperature sensor Power, water flow, water flow temperature are detected, and be will test result and be transmitted to detection terminal, are conveniently checked.
The 2 on-line checking self-calibrating device of fluid flowmeter is installed in cabinet, is equipped with and is subtracted on the inner wall of the cabinet Shake device.
With portable construction, maneuverability is convenient for portable and transport, devises damping device, adapts to field condition Property is strong.
The vision signal pipeline 3 includes the acquisition camera for 1 measuring instrumentss of stainless steel straight tube, and acquisition camera is logical It crosses data line to be connected with data converter, the signal output end of the data converter is connected with display, described aobvious Show that device is fixedly mounted on the outer wall of cabinet.
It can be realized online actual flow calibration, can easily be serially connected in and be calibrated in performance loop, in the reality of fluid machinery It is calibrated under operating condition, calibration accuracy is high, avoids the disassembly of metering device;By being flowed to image acquisition and processing The continuous data of body machinery does not change any working condition of fluid machinery, does not influence the normal work of fluid machinery.
When liquid flows into throttling set 4 by stainless steel DC tube 1, fluid flowmeter 2 measures outflow and is set to first Group data, liquid flow subsequently through vision signal pipeline 3, and vision signal pipeline 3 shoots with video-corder the water flow of stainless steel straight tube 1, and Part signal is transmitted to data converter and obtains the continuous data of fluid machinery by obtaining and handling to image, does not change fluid machine Any working condition of tool, does not influence the normal work of fluid machinery.Data P is measured by the difference gauge 61、P2, data adopt Storage 5 transfers data in calculating, and computer connects according to preset column Bernoulli equation (p+1/2 ρ v^2+ ρ gh=C), fluid Continuous property equation (π/4*D2v1 2ρ=π/4*d2v2 2ρ), volume flow q is derivedv=(1/1- (d/D)4)1/2*π/4*d2*(2/ρ (P1-P2))1/2 ,, to calculate outflow, the data measured with fluid flowmeter 2 are compared, and realize the school of fluid flowmeter 2 It is quasi-.
The above is only the preferred embodiment to the utility model, is not made in any form to the utility model Limitation, it is all according to the technical essence of the utility model any simple modification made to the above embodiment, equivalent variations with Modification, is all within the scope of the technical scheme of the utility model.

Claims (4)

1. a kind of fluid flowmeter on-line checking self-calibrating device, which is characterized in that the fluid flowmeter on-line checking self-correcting Standard apparatus is provided with stainless steel straight tube, and the inside of the stainless steel straight tube is equipped with fluid flowmeter, the fluid flowmeter Left and right sides is fixed to being connected to throttling set;
The throttling set on right side is fixed to vision signal pipeline is connected to, and is equipped with differential pressure above the vision signal pipeline It counts, has been bolted data collector on the right side of the vision signal pipeline.
2. fluid flowmeter on-line checking self-calibrating device as described in claim 1, which is characterized in that the data collector Including pressure sensor, the flow sensor, temperature sensor being set on stainless steel straight tube, the pressure sensor, flow are passed Sensor, temperature sensor pass through data line and are electrically connected with detection terminal.
3. fluid flowmeter on-line checking self-calibrating device as described in claim 1, which is characterized in that the fluid flowmeter exists Line detection self-calibrating device is installed in cabinet, is equipped with damping device on the inner wall of the cabinet.
4. fluid flowmeter on-line checking self-calibrating device as described in claim 1, which is characterized in that the vision signal pipe Road includes the acquisition camera for stainless steel straight tube measuring instrumentss, and acquisition camera passes through data line and data converter It is connected, the signal output end of the data converter is connected with display, and the display is fixedly mounted on the outer wall of cabinet On.
CN201821067866.4U 2018-07-02 2018-07-02 A kind of fluid flowmeter on-line checking self-calibrating device Active CN208333627U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821067866.4U CN208333627U (en) 2018-07-02 2018-07-02 A kind of fluid flowmeter on-line checking self-calibrating device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821067866.4U CN208333627U (en) 2018-07-02 2018-07-02 A kind of fluid flowmeter on-line checking self-calibrating device

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CN208333627U true CN208333627U (en) 2019-01-04

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110553703A (en) * 2019-10-14 2019-12-10 广州创锐车用电器有限公司 Calibration information generation method and system based on oil meter
CN113108879A (en) * 2021-04-29 2021-07-13 青岛市计量技术研究院 Gas flowmeter for measuring remote calibration of circular-section pipeline and calibration method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110553703A (en) * 2019-10-14 2019-12-10 广州创锐车用电器有限公司 Calibration information generation method and system based on oil meter
CN113108879A (en) * 2021-04-29 2021-07-13 青岛市计量技术研究院 Gas flowmeter for measuring remote calibration of circular-section pipeline and calibration method
CN113108879B (en) * 2021-04-29 2023-09-29 青岛市计量技术研究院 Gas flowmeter for remotely calibrating circular-section pipeline and calibration method

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